"Hypervisor" is the correct answer for the above question.
Explanation:
The hypervisor is a software program, which is used to monitor the virtual machine. It is also known as a virtual machine monitor.
It helps to create a virtual machine and allows the host to runs the virtual machine.
By a combination of two or more Virtual machines is known as host computes.
It gives access to a host computer to combine one or more virtual machines.
The above question asked about the term which is used to manage the resource for the virtual machine. This term is a software which is known as Hypervisor.